Wall fixture mounting base



FIG. 1 is a front perspective view of a wall fixture mounting baseshowing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front perspective view showing the wall fixture mountingbase with three lamp holders shown in broken lines, for illustrativepurposes only and forming no part of the claimed design.

The ornamental design for a wall fixture mounting base, as shown anddescribed.